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Device manual AS-i M4 Gateway Profibus DPV1 (AC1375, AC1376)
2012-02-23
DP module 7 – command channel
Commands in DP module 7
187
Example:
Read LDS (list of detected slaves) of slave group 3 on AS-i master 2
Request from fieldbus master to device
Byte no.
Value [hex]
Meaning
1
09
09 = command number 9
2 A5
(slave no.
5
)
group 3
+ (master no.
2 * 64
)
+ (
32
, if B slave)
= 165
dec
= A5
hex
3 xx
not
used
4 xx
not
used
Response from device to fieldbus master
Byte no.
Value [hex]
Meaning
1
09
command processed, no error occurred
reflected command number
2
A5
copy of the request
3 03
hex
=
00000011
bin
table Slave group in module 7 (
→
page
), group 3:
slaves 8B and 9B were detected
4 FE
hex
=
11111110
bin
table Slave group in module 7 (
→
page
), group 3:
slaves 1B to 7B were detected